eu.etaxonomy.taxeditor.editor/src/main/java/eu/etaxonomy/taxeditor/editor/view/uses/UsesViewPart.java

   1 package eu.etaxonomy.taxeditor.editor.view.uses;
   2
   3 import java.util.HashMap;
   4 import java.util.Map;
   5
   6 import org.eclipse.jface.action.Action;
   7 import org.eclipse.jface.action.GroupMarker;
   8 import org.eclipse.jface.action.IToolBarManager;
   9 import org.eclipse.jface.action.MenuManager;
  10 import org.eclipse.jface.resource.ImageDescriptor;
  11 import org.eclipse.jface.viewers.ISelection;
  12 import org.eclipse.jface.viewers.StructuredSelection;
  13 import org.eclipse.jface.viewers.TreeViewer;
  14 import org.eclipse.jface.viewers.Viewer;
  15 import org.eclipse.swt.SWT;
  16 import org.eclipse.swt.dnd.DND;
  17 import org.eclipse.swt.dnd.Transfer;
  18 import org.eclipse.swt.graphics.ImageData;
  19 import org.eclipse.swt.widgets.Composite;
  20 import org.eclipse.swt.widgets.Control;
  21 import org.eclipse.swt.widgets.Menu;
  22 import org.eclipse.swt.widgets.Tree;
  23 import org.eclipse.ui.IEditorPart;
  24 import org.eclipse.ui.IWorkbenchActionConstants;
  25 import org.eclipse.ui.IWorkbenchPart;
  26
  27 import eu.etaxonomy.cdm.model.common.CdmBase;
  28 import eu.etaxonomy.cdm.model.description.DescriptionBase;
  29 import eu.etaxonomy.cdm.model.description.DescriptionElementBase;
  30 import eu.etaxonomy.cdm.model.description.TaxonDescription;
  31 import eu.etaxonomy.cdm.api.service.IDescriptionService;
  32 import eu.etaxonomy.taxeditor.bulkeditor.BulkEditor;
  33 import eu.etaxonomy.taxeditor.editor.EditorUtil;
  34 import eu.etaxonomy.taxeditor.editor.MultiPageTaxonEditor;
  35 import eu.etaxonomy.taxeditor.editor.TaxonEditorInput;
  36 import eu.etaxonomy.taxeditor.editor.key.AbstractGraphKeyEditor;
  37 import eu.etaxonomy.taxeditor.editor.view.descriptive.DescriptionElementDragListener;
  38 import eu.etaxonomy.taxeditor.editor.view.descriptive.DescriptionElementDropAdapter;
  39 import eu.etaxonomy.taxeditor.editor.view.descriptive.DescriptionElementTransfer;
  40 import eu.etaxonomy.taxeditor.editor.view.descriptive.DescriptiveViewerSorter;
  41 import eu.etaxonomy.taxeditor.model.FeatureNodeContainer;
  42 import eu.etaxonomy.taxeditor.model.FeatureNodeContainerTree;
  43 import eu.etaxonomy.taxeditor.model.IPartContentHasDetails;
  44 import eu.etaxonomy.taxeditor.model.IPartContentHasSupplementalData;
  45 import eu.etaxonomy.taxeditor.model.ImageResources;
  46 import eu.etaxonomy.taxeditor.view.AbstractCdmEditorViewPart;
  47
  48
  49
  50 public class UsesViewPart extends AbstractCdmEditorViewPart implements IPartContentHasDetails, IPartContentHasSupplementalData {
  51
  52         public static final String ID = "eu.etaxonomy.taxeditor.editor.view.uses";
  53         private TreeViewer viewer;
  54         private Map<TaxonDescription, FeatureNodeContainerTree> featureNodeContainerCache = new HashMap<TaxonDescription, FeatureNodeContainerTree>();
  55         private ToggleDescriptionAction showAllElementsAction;
  56         private ToggleDescriptionAction hideAllElementsAction;
  57
  58         private int dndOperations = DND.DROP_COPY | DND.DROP_MOVE;
  59
  60         /** {@inheritDoc} */
  61         @Override
  62         public void createViewer(Composite parent) {
  63
  64                 viewer = new TreeViewer(new Tree(parent, SWT.MULTI | SWT.H_SCROLL
  65                                 | SWT.V_SCROLL | SWT.FULL_SELECTION));
  66
  67                 viewer.setContentProvider(new UsesContentProvider(featureNodeContainerCache));
  68
  69                 //viewer.setInput(descService.listTaxonDescriptions(Taxon, null, null, null, null, null, null));
  70
  71                 viewer.setLabelProvider(new UsesLabelProvider());
  72
  73                 //viewer.setSorter(new DescriptiveViewerSorter());
  74
  75                 viewer.setAutoExpandLevel(2);
  76
  77
  78
  79                 Transfer[] transfers = new Transfer[] { DescriptionElementTransfer.getInstance() };
  80                 /*viewer.addDragSupport(dndOperations, transfers, new DescriptionElementDragListener(
  81                                 this));
  82                 viewer.addDropSupport(dndOperations, transfers,
  83                                 new DescriptionElementDropAdapter(viewer));*/
  84
  85                 // Propagate selection from viewer
  86                 getSite().setSelectionProvider(viewer);
  87
  88                 showAllElementsAction = new ToggleDescriptionAction(false);
  89                 hideAllElementsAction = new ToggleDescriptionAction(true);
  90
  91                 // Add context menu to tree
  92                 createMenu();
  93
  94                 createToolbar();
  95
  96                 // set initial input
  97 //              if(getEditor() != null){
  98 //                      viewer.setInput(getEditor().getEditorInput());
  99 //              }
 100         }
 101
 102         private void createToolbar() {
 103                 IToolBarManager toolBarManager = getViewSite().getActionBars().getToolBarManager();
 104                 toolBarManager.add(showAllElementsAction);
 105                 toolBarManager.add(hideAllElementsAction);
 106         }
 107
 108         private void createMenu(){
 109                 MenuManager menuManager = new MenuManager();
 110                 menuManager.add(new GroupMarker(IWorkbenchActionConstants.MB_ADDITIONS));
 111
 112                 getSite().registerContextMenu(menuManager, viewer);
 113
 114                 // FIXME for some reason this is not working
 115                 menuManager.add(showAllElementsAction);
 116                 menuManager.add(hideAllElementsAction);
 117
 118                 Control control = viewer.getControl();
 119                 Menu menu = menuManager.createContextMenu(control);
 120
 121                 control.setMenu(menu);
 122         }
 123
 124         public void changed(Object object) {
 125                 for(FeatureNodeContainerTree containerTree : featureNodeContainerCache.values()){
 126                         containerTree.buildTree();
 127                 }
 128                 viewer.refresh();
 129
 130                 /*if(object instanceof DescriptionElementBase){
 131                         DescriptionElementBase descriptionElement = (DescriptionElementBase) object;
 132                         DescriptionBase description = descriptionElement.getInDescription();
 133                         FeatureNodeContainerTree containerTree = featureNodeContainerCache.get(description);
 134
 135                         FeatureNodeContainer featureNodeContainer = containerTree.getFeatureNodeContainerForDescriptionElement(descriptionElement);
 136                         viewer.expandToLevel(featureNodeContainer, 1);
 137
 138                 }*/
 139
 140                 if(object != null){
 141                         StructuredSelection selection = new StructuredSelection(object);
 142                         viewer.setSelection(selection, true);
 143                 }
 144
 145                 super.changed(object);
 146         }
 147
 148
 149         /* (non-Javadoc)
 150          * @see eu.etaxonomy.taxeditor.model.AbstractCdmViewPart#getInitialSelection()
 151          */
 152         /** {@inheritDoc} */
 153         @Override
 154         protected ISelection getInitialSelection() {
 155                 if(getEditor() != null){
 156                         return new StructuredSelection(getEditor().getEditorInput());
 157                 }
 158
 159                 return super.getInitialSelection();
 160         }
 161
 162         /** {@inheritDoc} */
 163         @Override
 164         public boolean postOperation(CdmBase objectAffectedByOperation) {
 165                 return super.postOperation(objectAffectedByOperation);
 166         }
 167
 168         @Override
 169         public void selectionChanged(IWorkbenchPart part, ISelection selection) {
 170                 if(EditorUtil.getActiveEditor() == null){
 171                         showEmptyPage();
 172                         return;
 173                 }
 174
 175                 if(part instanceof BulkEditor){
 176                         showEmptyPage();
 177                         return;
 178                 }
 179
 180                 if(part instanceof AbstractGraphKeyEditor){
 181                         showEmptyPage();
 182                         return;
 183                 }
 184
 185                 if(part instanceof MultiPageTaxonEditor){
 186                         if(! part.equals(this.part)){
 187                                 TaxonEditorInput input = (TaxonEditorInput)((IEditorPart) part).getEditorInput();
 188                                 featureNodeContainerCache.clear();
 189                                 //showViewer(part, new StructuredSelection(CdmStore.getService(IDescriptionService.class).listTaxonDescriptions(input.getTaxonNode().getTaxon(), null, null, null, null, null, null)));
 190                                 showViewer(part, new StructuredSelection(input));
 191                         }
 192                         showViewer();
 193                 }
 194
 195         }
 196
 197         @Override
 198         public boolean onComplete() {
 199                 return false;
 200         }
 201
 202         /*@Override
 203         public void showViewer(IWorkbenchPart part, IStructuredSelection selection) {
 204                 this.part = part;
 205
 206                 Object element = selection.getFirstElement();
 207
 208                 getViewer().setInput(descService.listTaxonDescriptions((Taxon) element, null, null, null, null, null, null));
 209
 210                 showViewer();
 211         }*/
 212
 213         @Override
 214         public Viewer getViewer() {
 215                 return viewer;
 216         }
 217
 218         private class ToggleDescriptionAction extends Action{
 219                 private boolean expanded;
 220
 221                 public ToggleDescriptionAction(boolean expand){
 222                         super(null, Action.AS_PUSH_BUTTON);
 223                         expanded = expand;
 224                         setImageAndTooltip();
 225                 }
 226
 227                 private void setImageAndTooltip(){
 228                         setImageDescriptor(new ImageDescriptor() {
 229                                 @Override
 230                                 public ImageData getImageData() {
 231                                         setText(expanded ? "Collapse All" : "Expand All");
 232                                         String resource = expanded ? ImageResources.COLLAPSE_ALL : ImageResources.EXPAND_ALL;
 233                                         return ImageResources.getImage(resource).getImageData();
 234                                 }
 235                         });
 236
 237                         String toolTipText = expanded ? "Collapse all" : "Show all descriptive data";
 238                         setToolTipText(toolTipText);
 239                 }
 240
 241                 @Override
 242                 public void run() {
 243                         if(expanded){
 244                                 viewer.collapseAll();
 245                         }else{
 246                                 viewer.expandAll();
 247                         }
 248                         setImageAndTooltip();
 249                 }
 250         }
 251
 252
 253
 254 }